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package_statics.py
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package_statics.py
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# coding:utf-8
###############################################################################
#
# PackageStatics - 保存分析同一应用的卡顿数据.
# 在原始数据中，同一个应用有很多绘制数据，通过这个类去保存，分析结果
#
# Copyright 2017, YanHao, [email protected]
#
import package_info as info
# Parameters.
LAST_FILE_NUM = 1
IDLE = 0 # 空闲状态
TOTAL_FRAMES = 1 # 统计绘制帧数状态
CATON_TIME = 2 # 统计卡顿时长状态
class PackageStatics:
""""分析某一应用卡顿数据的工具类.
属性:
package_name: 用于记录Package信息
"""
def __init__(self, package_name):
self.__package_dict = dict() #保存数据中同一应用的绘制信息
self.package_name = package_name
self.__state = IDLE #内部解析数据时使用的状态
self.__cur_package = None #解析时当前的应用绘制信息
self.__last_file_num = 0 #表示上次解析的数据文件number
self.__has_two_statics_one_file = False #标示一个文件是否有两个统计信息
self.caton_time = 0 # 卡顿时长
self.total_frame = 0 # 绘制总帧数
def parse_info(self, line, file_num):
"""解析一行日志并完成提取'卡顿时长'和'绘制总帧数'.
参数:
line: 需解析的某一行日志.
file_num: log文件序号
返回值:
解析结束返回True
"""
if self.__state == IDLE:
"""解析log中Stats since"""
since = info.PackageInfo.parse_since(line)
if since != info.PARSE_NOT_FOUND:
if self.__package_dict.has_key(long(since)) and file_num != LAST_FILE_NUM:
"""the package since has exist, do not parse, wait over"""
self.__state = CATON_TIME
elif not self.__package_dict.has_key(long(since)) and file_num == LAST_FILE_NUM:
"""since the package is the last, do not parse, wait over"""
self.__state = CATON_TIME
else:
"""create new package info"""
self.__cur_package = info.PackageInfo(self.package_name,
package_since=long(since), file_num=file_num)
self.__state = TOTAL_FRAMES
elif self.__state == TOTAL_FRAMES:
"""统计总绘制帧数."""
total_frames = info.PackageInfo.parse_total_frame(line)
if total_frames != info.PARSE_NOT_FOUND and self.__cur_package:
self.__cur_package.total_frame = int(total_frames)
self.__state = CATON_TIME
elif self.__state == CATON_TIME:
"""统计卡顿绘制时长"""
caton_time = info.PackageInfo.parse_caton(line)
if caton_time != info.PARSE_NOT_FOUND:
if self.__cur_package:
self.__cur_package.caton_time = int(caton_time)
if self.__package_dict.has_key(self.__cur_package.package_since) \
and file_num == LAST_FILE_NUM:
"""减掉log文件中第一轮数据(测试前数据)"""
sub_success = self.__package_dict[self.__cur_package.package_since].subtract(self.__cur_package)
if not sub_success:
print 'Fail to remove the first round data'
elif not self.__package_dict.has_key(self.__cur_package.package_since):
"""检查是否已经加入，如果没有再加入到字典中"""
self.__package_dict[self.__cur_package.package_since] = self.__cur_package
if self.__last_file_num != file_num:
self.__last_file_num = file_num
else:
"""一个log文件中同一个包名的绘制信息出现多次"""
self.__has_two_statics_one_file = True
self.reset_state()
return True
return False
def reset_state(self):
self.__cur_package = None
self.__state = IDLE
def statistic(self):
"""统计package的frame信息.
参数:
无
返回值:
total_frame: 总绘制帧数
caton_time：卡顿时长
"""
temp_total_frame = 0
temp_caton_time = 0
if not self.__has_two_statics_one_file:
"""如果不存在一个文件包含多个gaphic信息，将所有统计信息累加"""
for (since, pkg) in self.__package_dict.iteritems():
temp_total_frame = temp_total_frame + pkg.total_frame
temp_caton_time = temp_caton_time + pkg.caton_time
else:
if len(self.__package_dict) == 2:
"""对于一个文件中包含多个同一个package的graphic信息，如果只有两个，做累加"""
for (since, pkg) in self.__package_dict.iteritems():
temp_total_frame = temp_total_frame + pkg.total_frame
temp_caton_time = temp_caton_time + pkg.caton_time
else:
"""如果有出现这样的情况，数据可能有些异常，需要人工统计!!!
从目前来看，在测试过程中没有出现过此种情况
虽然测试中没有出现过这种情况
我们为了能够尽可能保证数据完整，打算选择绘制最多的统计"""
print "do not static this situation"
temp_pkg = None
for (since, pkg) in self.__package_dict.iteritems():
if not temp_pkg:
temp_pkg = pkg
elif temp_pkg.total_frame < pkg.total_frame:
temp_pkg = pkg
print str(since)
pkg.dump()
temp_total_frame = temp_pkg.total_frame
temp_caton_time = temp_pkg.caton_time
self.caton_time = temp_caton_time
self.total_frame = temp_total_frame
return temp_total_frame, temp_caton_time
def dump(self):
"""打印结果."""
(total, caton) = self.statistic()
print "Package:" + self.package_name + " total_frames:" + str(total) \
+ " canton_time:" + str(caton)